Tools / JSON Formatter
JSON Formatter
Format, minify, and validate your JSON data online securely.
All processing is done entirely in your browser. Files and inputs are never uploaded to our servers.
How It Works
Enter or paste your JSON data into the text area and choose whether to format (pretty-print) or minify it. The tool parses the JSON locally in your browser and displays the formatted result.Supported Formats & Limitations
Supports standard JSON format. Large JSON files may cause the browser to slow down.Privacy: What Happens to Your Files
This tool processes everything locally in your browser. No data is sent to the server.Common Problems & Fixes
If the JSON is invalid, an error message will display showing the issue.Frequently Asked Questions
JSON (JavaScript Object Notation) is a lightweight data-interchange format.